Final Notes

Short, heavy and hooked for tearing

Streamlined for diving

Straight and narrow, for eating things whole

Lower beak longer than upper. Allows eating while flying

Seals, sea lions and walrus or animals that flippers but have to rest on land

Whales dolphins and porpoises. They spend their whole life in the water

Abiotic is the non living part of the environment. (salinity, bottom type) Biotic is the living part of the environment

Is when one species benefits without effecting the other one at all

Is when one species benefits at the expense of the other

Is when both species benefit

Live on or buried on the bottom

Live up in the water column away from the bottom

Live at or close to the surface

The problem of marine organisms drying out. To protect for this intertidal organisms must hide or clam up

Open water Mudflats Salt marshes Mangrove forests Oyster reefs

Sandy and muddy substrates Animals in on top and buried in the sand

The most common reef Can form wherever there is a hard bottom

Father from shore than fringing reefs They create lagoons

A ring of reef surrounding a central lagoon

Single celled or simple chains of cells Perform most of the photosynthesis in the sea

Large mouth and big teeth Most do not have swim bladder to conserve energy. Instead they soft bones and spines to make them buoyant

It’s Expensive so some fish are not farmed because it’s not profitable It’s also can create pollution Fish don’t grow as big

Trawing nets damage reefs High levels of sediment